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Female Agnes de Percy Click to view Agnes de Percy in the family tree

Agnes de was born about 1222 in ,Petworth,Sussex,England.1   Agnes de's father was Sir. William de Percy Baron and her mother was Joan de Briwere.  Her paternal grandparents were Henry I de Percy Sheriff of Northumberland and Isabel Brus; her maternal grandparents were William de Briwere Lord of Horsley and Beatrice de Vaux. She had four sisters named Anastace, Joane de, Alice de and Ada de.  She was the second youngest of the five children. She had eight half-brothers named Ingelram de, William de, Walter de, Henry De, Josceline de, Geffrey de, Richard de and Alan de.


Agnes de's family

‌Agnes de were married in a religious ceremony about 1245 in Petworth Castle,Alnwick,Northumberland,England.2 

1 "Genealogical Research of Kirk Larson"
2 {Larson: Genealogical Research of Kirk Larson}
Further sources/citations:
"FamilySearch® Ancestral File™ v4.19", "Complete baronetage: Microprint ed." @ 3:269

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